pair,contact1,contact2,flow1,flow2
7btb_t_,1,3,1,1
7btb_t_,3,7,1,1
7btb_t_,6,10,1,1
7btb_t_,7,11,1,1
7btb_t_,8,12,1,1
7btb_t_,9,13,1,1
7btb_t_,10,14,1,1
7btb_t_,11,15,1,1
7btb_t_,12,15,1,1
7btb_t_,12,16,1,1
7btb_t_,14,18,1,1
7btb_t_,15,19,1,1
7btb_t_,16,20,1,1
7btb_t_,17,21,1,1
7btb_t_,18,22,1,1
7btb_t_,19,23,1,1
7btb_t_,22,26,1,1
7btb_t_,23,27,1,1
7btb_t_,24,28,1,1
7btb_t_,25,29,1,1
7btb_t_,26,30,1,1
7btb_t_,27,31,1,1
7btb_t_,28,31,1,1
7btb_t_,28,32,1,1
7btb_t_,29,33,1,1
7btb_t_,31,34,1,1
7btb_t_,33,37,1,1
7btb_t_,43,46,1,1
7btb_t_,44,48,1,1
7btb_t_,45,49,1,1
7btb_t_,46,50,1,1
7btb_t_,47,51,1,1
7btb_t_,48,52,1,1
7btb_t_,49,53,1,1
7btb_t_,50,54,1,1
7btb_t_,51,55,1,1
7btb_t_,52,56,1,1
7btb_t_,53,57,1,1
7btb_t_,54,58,1,1
7btb_t_,55,59,1,1
7btb_t_,56,60,1,1
7btb_t_,57,61,1,1
7btb_t_,57,158,1,1
7btb_t_,58,62,1,1
7btb_t_,59,63,1,1
7btb_t_,60,64,1,1
7btb_t_,60,154,1,1
7btb_t_,61,65,1,1
7btb_t_,62,66,1,1
7btb_t_,63,67,1,1
7btb_t_,64,68,1,1
7btb_t_,65,69,1,1
7btb_t_,65,123,1,1
7btb_t_,66,70,1,1
7btb_t_,67,71,1,1
7btb_t_,68,71,1,1
7btb_t_,68,72,1,1
7btb_t_,69,73,1,1
7btb_t_,70,75,1,1
7btb_t_,71,74,1,1
7btb_t_,75,77,1,1
7btb_t_,81,83,1,1
7btb_t_,85,149,1,1
7btb_t_,86,98,1,1
7btb_t_,87,274,1,1
7btb_t_,87,276,1,1
7btb_t_,88,96,1,1
7btb_t_,89,276,1,1
7btb_t_,90,94,1,1
7btb_t_,105,144,1,1
7btb_t_,107,142,1,1
7btb_t_,108,162,1,1
7btb_t_,109,140,1,1
7btb_t_,110,160,1,1
7btb_t_,111,136,1,1
7btb_t_,111,137,1,1
7btb_t_,111,138,1,1
7btb_t_,111,158,1,1
7btb_t_,112,158,1,1
7btb_t_,115,117,1,1
7btb_t_,121,125,1,1
7btb_t_,122,126,1,1
7btb_t_,123,127,1,1
7btb_t_,124,128,1,1
7btb_t_,125,129,1,1
7btb_t_,126,130,1,1
7btb_t_,127,130,1,1
7btb_t_,127,131,1,1
7btb_t_,128,133,1,1
7btb_t_,135,138,1,1
7btb_t_,135,237,1,1
7btb_t_,137,238,1,1
7btb_t_,139,236,1,1
7btb_t_,148,151,1,1
7btb_t_,148,152,1,1
7btb_t_,149,153,1,1
7btb_t_,151,154,1,1
7btb_t_,151,155,1,1
7btb_t_,155,158,1,1
7btb_t_,165,167,1,1
7btb_t_,166,170,1,1
7btb_t_,167,171,1,1
7btb_t_,168,172,1,1
7btb_t_,169,173,1,1
7btb_t_,170,174,1,1
7btb_t_,171,175,1,1
7btb_t_,172,176,1,1
7btb_t_,179,192,1,1
7btb_t_,181,202,1,1
7btb_t_,182,185,1,1
7btb_t_,193,195,1,1
7btb_t_,196,198,1,1
7btb_t_,196,199,1,1
7btb_t_,197,201,1,1
7btb_t_,198,202,1,1
7btb_t_,199,203,1,1
7btb_t_,200,204,1,1
7btb_t_,204,207,1,1
7btb_t_,204,209,1,1
7btb_t_,205,208,1,1
7btb_t_,206,207,1,1
7btb_t_,211,214,1,1
7btb_t_,212,216,1,1
7btb_t_,213,217,1,1
7btb_t_,214,218,1,1
7btb_t_,215,219,1,1
7btb_t_,216,220,1,1
7btb_t_,217,221,1,1
7btb_t_,218,223,1,1
7btb_t_,218,224,1,1
7btb_t_,219,222,1,1
7btb_t_,223,225,1,1
7btb_t_,224,225,1,1
7btb_t_,226,230,1,1
7btb_t_,227,231,1,1
7btb_t_,229,232,1,1
7btb_t_,229,233,1,1
7btb_t_,230,233,1,1
7btb_t_,241,285,1,1
7btb_t_,246,250,1,1
7btb_t_,248,252,1,1
7btb_t_,249,253,1,1
7btb_t_,250,254,1,1
7btb_t_,251,255,1,1
7btb_t_,252,256,1,1
7btb_t_,253,257,1,1
7btb_t_,254,258,1,1
7btb_t_,255,259,1,1
7btb_t_,256,260,1,1
7btb_t_,257,261,1,1
7btb_t_,258,262,1,1
7btb_t_,259,263,1,1
7btb_t_,260,264,1,1
7btb_t_,267,269,1,1
7btb_t_,269,271,1,1
7btb_t_,278,281,1,1
7btb_t_,278,282,1,1
7btb_t_,279,283,1,1
7btb_t_,281,284,1,1
7btb_t_,282,285,1,1
7btb_t_,282,286,1,1